Who’s Laughing Now? The History of Nitrous Oxide. #FunFriday
dentalhistory • July 13, 2018"Doctors take it! Patients Love it! All Desire it!" So says an advertisement for a Hazleton, Pennsylvania doctor's office from the 1873 Wilkes-Barre city directory, proclaiming that the doctor uses laughing gas in the painless extraction of teeth. What is laughing gas, how did it earn its name,... CONTINUE READING
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